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Monoxeneo

Monoxeneos

Gyrodactylus salaris

Clasificación científica
Reino: Animalia
Subreino: Eumetazoa
Superfilo: Platyzoa
Filo: Platyhelminthes
Clase: Monogenea
Subclases
  • Monopisthocotylea
  • Polyopisthocotylea

Os Monoxeneos (Monogenea) son unha clase de vermes planos pertencentes ao filo dos platihelmintos e que ten como principal característica o feito de ser animais parasitos externos ou semiexternos de peixes e anfibios. Diferéncianse doutros platihelmintos no feito de ter un ciclo biolóxico cun só hóspede.

A súa boca ten unha ventosa oral pequena ou inexistente, logo teñen unha farinxe e un enterón bifurcado. Teñen dous nefridióporos anteriores nun grande órgano de fixación posterior chamado opistohaptor.

Existen unhas 1.100 especies. O seu corpo alongado e plano e a maioría son moi pequenos (30 μm a 2 cm). Todos os monoxeneos son hermafroditas, pero é moi frecuente la fecundación cruzada.

Véxase tamén

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Ligazóns externas

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Monoxeneo
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